president obama here at the white house now, we have a picture of him yesterday getting an update on what happened in boston. he was very careful in his remarks yesterday not to call this an act of terror or terrorism, even though later a white house official said the white house does believe this was a terrorist attack. still the white house says the president did not want to get ahead of the investigation and president obama said whoever did this will feel, quote, the full weight of justice. >> we still do not know who did this or why and people shouldn't jump to conclusions before we have all the facts. but make no mistake, we will get to the bottom of this and we will find out who did this. >> one of the things counterterrorism officials do after something like this is they start checking jihaddist web sites, known jihaddist web sites to see if there is an increase in chatter or any kind of communication that may signal who could be involved in this. at this point, the investigation is early, but at this point, counterterrorism officials are telling fox they have not seen increas